/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePurchaseInterface.h
Delegate called when receipt validation completes
typedef TBaseDelegate_TwoParams< void, const [FOnlineError](API\Plugins\OnlineSubsystem\FOnlineError) &, const [FString](API\Runtime\Core\Containers\FString) & > FOnFinalizeReceiptValidationInfoComplete